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Predicting the behavior of oxyanions in radioactive waste stored at the Department of Energy legacy nuclear sites requires the development of novel analytical methods. This work demonstrates N pulsed field gradient nuclear magnetic resonance spectroscopy to quantify the diffusivity of nitrite. Experimental results, supported by molecular dynamics simulations, indicate that the diffusivity of free hydrated nitrite exceeds that of free hydrated sodium despite the greater hydrodynamic radius of nitrite. Investigations are underway to understand how the compositional and dynamical heterogeneities of the ion networks at high concentrations affect rheological and transport properties.
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http://dx.doi.org/10.1039/d3cc04168a | DOI Listing |
Wounds
August 2025
Faculty of Physical Therapy, Cairo University, Cairo, Giza, Egypt.
Background: Charcot foot is a debilitating complication of peripheral neuropathy and is primarily associated with diabetes, leading to structural damage, ulceration, and osteomyelitis. Pulsed electromagnetic field (PEMF) therapy is a promising treatment modality for wound healing and bone metabolism.
Objective: To evaluate the efficacy of PEMF therapy in promoting bone growth and ulcer healing in patients with Charcot foot ulcers.
Heart Rhythm
September 2025
Molecular Pharmacology and Physiology, Morsani College of Medicine, University of South Florida, Tampa, FL, United States. Electronic address:
Background: Electronic nicotine delivery systems (ENDS) utilize "E-liquids" in order to generate "E-vapor", an inhalable aerosolized mixture containing nicotine and flavors. Flavored ENDS are very popular among teens who vape, however, the possible cardiac electrophysiological harm of inhalation exposure to flavored ENDS are not fully understood.
Objective: To test if inhalation exposure to flavoring carbonyls in e-liquids compromises mitochondrial integrity, increases oxidative stress, and leads to cardiac electrophysiological toxicity.
Behav Brain Res
September 2025
Department of Cognitive Sciences, Faculty of Psychology and Education, University of Tehran, Tehran, Iran; School of Cognitive Sciences, Institute for Research in Fundamental Sciences (IPM), Niavaran, Tehran, Iran.
Working memory (WM) is a core cognitive mechanism necessary for adaptive behavior. In the last few decades, scientists have studied WM using rodent models through traditional and time-consuming approaches, such as the Radial Arm Maze and the T-Maze. While these traditional tools have presented fundamental understanding, their dependence on manual operations restrains experimental precision and scalability.
View Article and Find Full Text PDFPhysiol Meas
September 2025
Naval Medical Center Camp Lejeune, 100 Brewster Blvd, Camp Lejeune, North Carolina, 28547-0100, UNITED STATES.
Objective: Exertional heat illness (EHI) remains a challenge for those that exercise in hot and humid environments. Physiological status monitoring is an attractive method for assessing EHI risk and a critical component of recommended layered risk management approaches. While there is consensus that some combination of core body temperature, mean skin temperature, heart rate (HR), and hydration provide an indication of heat strain, a field-feasible metric that correlates to EHI incidence has not been identified.
View Article and Find Full Text PDFNanotechnology
September 2025
Beijing University of Technology, Key Laboratory of Optoelectronics Technology, School of Information Science and Technology., Beijing, 100124, CHINA.
The rapid advancements in the field of artificial intelligence have intensified the urgent need for low-power, high-speed artificial synaptic devices. Here, a near-infrared (NIR) artificial synaptic device is successfully realized based on pristine InGaAs nanowires (NWs), which achieves a paired-pulse facilitation (PPF) of up to 119%. Additionally, a postsynaptic current (PSC) in memory storage behavior has been implemented by applying different voltage pulses along with continuous illumination of 1064 nm NIR light due to the memristor characteristics of the device.
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